There are severe constraints on the supply side of the provision of infrastructure in Asia. The infrastructure financing gap between what is invested in Asia-Pacific (around US$48 billion) and what is needed (US$228 billion) is around US$180 billion every year.
Placed in the centre of a garden bed, they can be underplanted with low growing shrubs and bulbous plants for an harmonious effect; or underplanted with grass for a contrasting statement. Alternatively, the tree can be situated at the end of a long garden to draw visitors out into the garden.
The leaves of many rainforest plants have drip tips for this purpose. Buttress and stilt roots are thought to provide extra support for trees growing in spongy, wet soils. Tropical rainforest plants also have adaptations to take in what little sunlight is available on the dark forest floor. Large leaves are common; they increase the amount of sunlight a plant can capture.